(PHP 4 >= 4.0.5, PHP 5, PHP 7)
Change the root directory
bool chroot ( string $directory )
Changes the root directory of the current process to directory
, and changes the current working directory to "/".
This function is only available to GNU and BSD systems, and only when using the CLI, CGI or Embed SAPI. Also, this function requires root privileges.
Parameters:
directory
The path to change the root directory to.
Returns:
Returns TRUE
on success or FALSE
on failure.
Notes:
This function is not implemented on Windows platforms.
Examples:
chroot() example
<?php chroot("/path/to/your/chroot/"); echo getcwd(); ?>
The above example will output:
/
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